1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/* OpenIDA - Outil d'analyse de fichiers binaires
* links.c - résolution des liens entre différentes instructions
*
* Copyright (C) 2010 Cyrille Bagard
*
* This file is part of OpenIDA.
*
* OpenIDA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* OpenIDA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#include "links.h"
/******************************************************************************
* *
* Paramètres : list = ensemble d'instructions à relier. *
* routines = prototypes existants à insérer. *
* count = quantité de ces prototypes. *
* statusbar = barre de statut avec progression à mettre à jour.*
* id = identifiant du message affiché à l'utilisateur. *
* *
* Description : Etablit les liens entres les différentes lignes de code. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
void establish_links_between_lines(GArchInstruction *list, GBinRoutine **routines, size_t count, GtkExtStatusBar *statusbar, guint id)
{
size_t i; /* Boucle de parcours */
vmpa_t start; /* Adresse de départ */
vmpa_t end; /* Adresse de fin */
GArchInstruction *iter; /* Boucle de parcours */
vmpa_t addr; /* Adresse référencée */
InstructionLinkType type; /* Type de référence */
GArchInstruction *target; /* Ligne visée par la référence*/
for (i = 0; i < count; i++)
{
start = g_binary_routine_get_address(routines[i]);
end = start + g_binary_routine_get_size(routines[i]);
for (iter = g_arch_instruction_find_by_address(list, start, true);
iter != NULL;
iter = g_arch_instruction_get_next_iter(list, iter, end))
{
type = g_arch_instruction_get_link(iter, &addr);
switch (type)
{
case ILT_NONE:
break;
case ILT_JUMP:
target = g_arch_instruction_find_by_address(list, addr, true);
if (target != NULL)
g_arch_instruction_link_with(iter, target, type);
break;
case ILT_JUMP_IF_FALSE:
break;
case ILT_JUMP_IF_TRUE:
target = g_arch_instruction_find_by_address(list, addr, true);
if (target != NULL)
{
g_arch_instruction_link_with(iter, target, type);
target = g_arch_instruction_get_next_iter(list, iter, end);
if (target != NULL)
g_arch_instruction_link_with(iter, target, ILT_JUMP_IF_FALSE);
}
break;
case ILT_CALL:
target = g_arch_instruction_find_by_address(list, addr, true);
if (target != NULL)
g_arch_instruction_link_with(iter, target, type);
break;
}
}
gtk_extended_status_bar_update_activity(statusbar, id, (i + 1) * 1.0 / count);
}
}
|
